#100321#100321

#100321 is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 15.0% C 0.064 H 300.4°. Best body text is #FFFFFF at 19.87:1 contrast (WCAG AA passes).

Color values

HEX	#100321
RGB	rgb(16, 3, 33)
HSL	hsl(266, 83%, 7%)
HSV	hsv(266, 91%, 13%)
CMYK	cmyk(51.5%, 90.9%, 0%, 87.1%)
CIE-LAB	lab(2.58, 10.23, -15.55)
CIE-LCH	lch(2.58, 18.62, 303.33°)
OKLab	oklab(14.95% 0.0322 -0.0549)
OKLCH	oklch(14.95% 0.064 300.4)
XYZ	xyz(0.5207, 0.2851, 1.4661)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100321 #142103

analogous

#030521 #100321 #1F0321

triadic

#100321 #211003 #032110

tetradic

#100321 #210305 #142103 #03211F

square

#100321 #210305 #142103 #03211F

split-complementary

#100321 #211F03 #052103

monochromatic

#0E031C #0E031C #100321 #2B0859 #460D91

Accessibility & contrast

On white

19.87

#100321 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#100321 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100321

19.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100321	#FFFFFF	#000000	##FFFFFF
##100321	1.00	19.87	1.06	19.87
#FFFFFF	19.87	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000922

Deuteranopia (green-blind)

#000920

Tritanopia (blue-blind)

#0C0910

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #100321;
/* rgb */ color: rgb(16, 3, 33);
/* oklch */ color: oklch(15.0% 0.064 300.4);

Tailwind

colors: {
  custom: {
    50: '#4e485c',
    500: '#100321',
    950: '#000000',
  },
}

SCSS

$custom: #100321;
$custom-light: #4e485c;
$custom-dark: #000000;

JSON

{
  "hex": "#100321",
  "rgb": {
    "r": 16,
    "g": 3,
    "b": 33
  },
  "hsl": {
    "h": 266,
    "s": 83.333,
    "l": 7.059
  },
  "oklch": {
    "l": 0.14954,
    "c": 0.06364,
    "h": 300.4
  },
  "luminance": 0.00285
}

Semantic roles & 50–950 ramp

primary

#100321

secondary

#45651B

accent

#FA2EA1

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#010004

muted

#777779

Preview Lab

Preview with #100321

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →